Which trigonometric ratios are negative for the angles: `-210^@`

Which trigonometric ratios are negative for the angles: 315^(@)

Which trigonometric ratios are negative for the angles: 315^@

Which trigonometric ratios are negative for the angles: (-(5pi)/6)^c

Which trigonometric ratios are negative for the angles: (-(5 pi)/(6))^(c)

Trigonometric ratios are same for same angle

Which of trigonometric ratios are positive for the angles, (i) 210^(@) (ii) -405^(@)

Which trigonometric ratios are positive for the following angles (i) 210^@ (ii) -135^@ (iii) ((2pi)/3)^c

Which trigonometric ratios are positive for the following angles ( i ) 210^(@) (ii) -135^(@) (iii) ((2 pi)/(3))^(c)

Which of the six t-ratios are positive for the angle : 210^@ ?

Trigonometric ratio OF Multiple angle